Fast 3.0 Singlet Men Size:XS but it has a tight

but it has a tight fit and will therefore sit close on the body

At the back

and an extended back zip pocket offers secure storage for essentials

•    Storm flap

Fast 3.0 Singlet Men Size:XS but it has a tightFast 3. 0 singlet is an upgraded version that feels very comfortable. The extremely light singlet fits perfectly over your shoulders and dries quickly. It's made of comfortable and moisture transporting materials. The back is made of breathable mesh to ensure extra ventilation and excellent transportation of sweat, which makes the singlet even more comfortable to wear. We have given this singlet an upgraded look with slimmer shoulder straps, as well